Agent Skills: one-liners

Command-line one-liners for file manipulation, text processing, system administration, and quick automation. Use when user mentions "one-liner", "quick command", "bash one-liner", "command line trick", "shell trick", "pipe chain", "quick script", "inline command", "find and replace all files", "bulk rename", "process log files", "count lines", "disk usage", or needs a single-line shell command to solve a problem fast.